Seiko Cal. 3857 - 238

The 3857-238 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3857 caliber with 24j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-4c735b1dfaf9]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1982

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